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Amerikas forente stater

Contra Costa County

Black Diamond Shaft

Amerikas forente stater

Contra Costa County

Black Diamond Shaft

Highlight • Historisk sted

Black Diamond Shaft

Terrengsykling

5.0

(2)

Vandring

5.0

(1)

Dette Highlightet ligger i et vernet område

Sjekk lokale regler for:

Black Diamond Mines Regional Preserve

Sted: Contra Costa County, California, Amerikas forente stater

Se ruter i nærheten

Tips

2. august 2023

Vandring

This once 150 feet deep air shaft was put in place to ventilate a coal mine to keep it free from dangerous gasses. There is a short tunnel to access the interior and get a closer look. On the excavation sides, there is still evidence of marks left by the picks from miners.

8. januar 2024

Terrengsykling

This once 150-foot-deep air shaft was put in place to ventilate a coal mine to keep it free from dangerous gasses. There is a short tunnel to access the interior and get a closer look. On the excavation sides, there is still evidence of marks left by the picks from miners.

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Ruter i nærheten

Beste ruter i nærheten av Black Diamond Shaft

4

syklister

#1.

Black Diamond & Mount Diablo Trail loop — Black Diamond Mines Regional Preserve

17,5km

01:53

580m

580m

Mountain bike the 10.9-mile Nortonville and Black Diamond Trail Loop, a moderate route with steep climbs, panoramic views, and historical si

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Moderat

4,0

(1)

8

syklister

#2.

Black Diamond Shaft – Stewartville Trail loop from Deer Valley High School

32,4km

03:19

880m

880m

Moderat terrengsykling. God form kreves. Passer for alle ferdighetsnivåer.

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Moderat

Detaljer

Informasjon

Høydemeter 420 m

Vær

Drevet av Foreca

I dag

søndag 20. september

24°C

13°C

0 %

Ekstra værtips

Maks vindhastighet: 18,0 km/t

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Sted: Contra Costa County, California, Amerikas forente stater

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